/* ==================== CSS Variables ==================== */
:root {
    --primary: #8B5CF6;
    --primary-light: #A78BFA;
    --secondary: #06B6D4;
    --accent: #F59E0B;
    --bg-dark: #0F0F1A;
    --bg-darker: #0A0A12;
    --bg-card: rgba(255, 255, 255, 0.05);
    --bg-card-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    --border: rgba(255, 255, 255, 0.1);
    --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #06B6D4 100%);
    --gradient-bg: radial-gradient(ellipse at top, #1A1A2E 0%, #0F0F1A 50%, #0A0A12 100%);
    --shadow-glow: 0 0 40px rgba(139, 92, 246, 0.3);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: all 0.3s ease;
    --radius: 16px;
    --radius-sm: 8px;
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-primary);
    background: var(--gradient-bg);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

/* ==================== Container ==================== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ==================== Navigation ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}
.navbar.scrolled { padding: 12px 0; background: rgba(15, 15, 26, 0.95); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 8px; }
.logo-text {
    font-size: 24px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.nav-menu { display: flex; gap: 32px; }
.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    position: relative;
}
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    position: relative;
    transition: var(--transition);
}
.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}
.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }
.nav-toggle.active .hamburger { background: transparent; }
.nav-toggle.active .hamburger::before { top: 0; transform: rotate(45deg); }
.nav-toggle.active .hamburger::after { top: 0; transform: rotate(-45deg); }

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 120px 24px 60px;
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}
.hero-gradient {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
}
.hero-content { text-align: center; max-width: 900px; animation: fadeInUp 1s ease; }
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}
.hero-title { font-size: clamp(36px, 8vw, 72px); font-weight: 800; line-height: 1.1; margin-bottom: 16px; }
.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: clamp(20px, 4vw, 32px);
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 24px;
    min-height: 40px;
}
.cursor { animation: blink 1s infinite; color: var(--primary); }
@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }
.hero-description { font-size: 18px; color: var(--text-secondary); max-width: 600px; margin: 0 auto 32px; line-height: 1.8; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 48px; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--gradient-primary);
    color: var(--text-primary);
    box-shadow: var(--shadow-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 60px rgba(139, 92, 246, 0.4); }
.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-card); border-color: var(--primary); }
.btn-full { width: 100%; justify-content: center; }
.hero-stats { display: flex; gap: 48px; justify-content: center; flex-wrap: wrap; }
.stat-item { text-align: center; }
.stat-number { display: block; font-size: 36px; font-weight: 800; background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.stat-label { font-size: 14px; color: var(--text-muted); }

/* ==================== Section Styles ==================== */
.section { padding: 100px 0; position: relative; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 16px;
}
.section-title { font-size: clamp(28px, 5vw, 42px); font-weight: 700; }
.section-description { font-size: 16px; color: var(--text-secondary); margin-top: 16px; max-width: 500px; margin-left: auto; margin-right: auto; }

/* ==================== About Section ==================== */
.about-content { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; align-items: center; }
.about-image { position: relative; }
.image-wrapper { position: relative; }
.image-placeholder {
    width: 280px;
    height: 280px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.image-placeholder::before {
    content: '';
    position: absolute;
    inset: 4px;
    background: var(--bg-dark);
    border-radius: 50%;
}
.initials {
    position: relative;
    font-size: 72px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.experience-badge {
    position: absolute;
    bottom: 20px;
    right: 10%;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 24px;
    text-align: center;
}
.exp-number { font-size: 28px; font-weight: 800; color: var(--primary); }
.exp-text { font-size: 12px; color: var(--text-muted); display: block; }
.about-text p { color: var(--text-secondary); margin-bottom: 16px; font-size: 16px; }
.about-text strong { color: var(--text-primary); }
.about-highlights { margin-top: 24px; display: flex; flex-direction: column; gap: 12px; }
.highlight-item { display: flex; align-items: center; gap: 12px; color: var(--text-secondary); font-size: 15px; }
.highlight-item .check { color: var(--secondary); font-weight: bold; }

/* ==================== Services Section ==================== */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.service-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition);
}
.service-card:hover { transform: translateY(-8px); border-color: rgba(139, 92, 246, 0.3); background: var(--bg-card-hover); }
.service-card:hover::before { opacity: 1; }
.service-icon { font-size: 32px; margin-bottom: 16px; }
.service-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 12px; }
.service-card p { color: var(--text-secondary); font-size: 15px; line-height: 1.7; }

/* ==================== Achievements Section ==================== */
.achievements { background: rgba(139, 92, 246, 0.02); }
.achievements-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 24px; }
.achievement-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}
.achievement-card:hover { transform: scale(1.05); border-color: rgba(139, 92, 246, 0.3); }
.achievement-icon { font-size: 48px; margin-bottom: 16px; }
.achievement-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.achievement-card p { color: var(--text-muted); font-size: 14px; }

/* ==================== Goals Section ==================== */
.goals-list { display: flex; flex-direction: column; gap: 20px; max-width: 700px; margin: 0 auto; }
.goal-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: var(--transition);
}
.goal-item:hover { border-color: rgba(139, 92, 246, 0.3); transform: translateX(8px); }
.goal-icon { font-size: 32px; flex-shrink: 0; }
.goal-content h3 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.goal-content p { color: var(--text-secondary); font-size: 15px; }

/* ==================== Tech Stack Section ==================== */
.tech-categories { display: flex; flex-direction: column; gap: 32px; }
.tech-category h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.tech-items { display: flex; flex-wrap: wrap; gap: 12px; }
.tech-item {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}
.tech-item:hover { border-color: var(--primary); color: var(--text-primary); background: rgba(139, 92, 246, 0.1); }

/* ==================== Contact Section ==================== */
.contact-content { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-info { display: flex; flex-direction: column; gap: 24px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon { font-size: 24px; }
.contact-text h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.contact-text p { color: var(--text-secondary); font-size: 15px; }
.social-links { display: flex; gap: 12px; margin-top: 24px; }
.social-link {
    padding: 10px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
}
.social-link:hover { border-color: var(--primary); color: var(--text-primary); background: rgba(139, 92, 246, 0.1); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-primary);
    font-size: 15px;
    color: var(--text-primary);
    transition: var(--transition);
    outline: none;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: var(--text-muted); }
.form-group input:focus, .form-group textarea:focus { border-color: var(--primary); background: rgba(139, 92, 246, 0.05); }
.form-group textarea { resize: vertical; min-height: 120px; }

/* ==================== Footer ==================== */
.footer { padding: 60px 0 30px; border-top: 1px solid var(--border); background: var(--bg-darker); }
.footer-content { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; margin-bottom: 30px; }
.footer-brand { display: flex; align-items: center; gap: 16px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-secondary); font-size: 14px; transition: var(--transition); }
.footer-links a:hover { color: var(--text-primary); }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid var(--border); }
.footer-bottom p { color: var(--text-muted); font-size: 14px; }

/* ==================== Animations ==================== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.6s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

/* ==================== Responsive ==================== */
@media (max-width: 992px) {
    .about-content, .contact-content { grid-template-columns: 1fr; text-align: center; }
    .about-image { margin-bottom: 40px; }
    .experience-badge { right: 50%; transform: translateX(50%); }
    .about-highlights { align-items: center; }
    .contact-info { align-items: center; }
}
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 15, 26, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        padding: 32px 0;
        gap: 24px;
        transform: translateY(-150%);
        transition: var(--transition);
        border-bottom: 1px solid var(--border);
    }
    .nav-menu.active { transform: translateY(0); }
    .nav-toggle { display: block; }
    .hero-stats { gap: 24px; }
    .stat-number { font-size: 28px; }
    .section { padding: 80px 0; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 32px; }
    .services-grid { grid-template-columns: 1fr; }
    .achievements-grid { grid-template-columns: 1fr 1fr; }
    .social-links { flex-wrap: wrap; justify-content: center; }
}